单项选择题

The time will come ______ man can fly to outer space at his leisure.

A．that
B．when
C．in that
D．which
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单项选择题
The doctor soon made the worried patient feel ______ ease.
A．with
B．at
C．on
D．grown
单项选择题
If you speak slowly and clearly, the students will ______ the meaning.
A．take on
B．take down
C．take in
D．take back
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